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Writer's pictureIgor Vasiliadis

Mastering Exposure: A Guide to Getting Perfectly Exposed Shots

Achieving the perfect exposure is one of the core skills in photography. This post will break down exposure basics and provide practical tips to help you capture well-exposed shots every time.



What is Correct Exposure?


Correct exposure means capturing a photo that isn't too bright (overexposed) or too dark (underexposed). It’s about balancing three key settings: aperture, shutter speed, and ISO. When you get this balance right, you capture all the details, highlights, and shadows in your image just the way you envisioned.


Exposure Compensation


I'm sure every beginner photographer has wondered what those +/- numbers under "exposure compensation" mean... Let's dive in and figure out what these numbers are all about. Exposure Compensation is a camera setting that lets you adjust the exposure up or down without changing your basic exposure settings. It's great for tricky lighting conditions, like a backlit scene or a snowy landscape. Use it to fine-tune exposure if your camera’s metering isn’t giving you the result you want. Each zone differs from the previous or next by one f-stop, which either doubles or halves the exposure value. Simply put, to make an area appear brighter by one stop of exposure compensation, you need to double the amount of light either opening the lens, extending exposure or increasing the sensitivity/ISO.


Ansel Adams’ Zone System


The Zone System, created by renowned photographer Ansel Adams, divides the tones from black to white into 11 "zones." Each zone represents a specific brightness level, helping photographers understand how to capture the full range of tones in a scene. By using this system, you can visualize your subject in shades of light and dark and make better exposure decisions, especially in high-contrast situations.



7 Tips to Get the Right Exposure


  1. Understand Your Camera’s Metering – Learn how to use your camera’s built-in light meter to help judge exposure.

  2. Use Exposure Compensation – Adjust exposure slightly up or down to correct for tricky lighting. When using spot metering mode for photographing people and portraits, it’s crucial to set exposure compensation based on skin tone: about +1 for tanned skin and up to +1.75 for fair skin. Be sure to keep the spot metering circle centered on a consistently lit area of the skin while setting the exposure to ensure accurate lighting.

  3. Master Metering Modes – Try matrix (evaluative) metering, center-weighted, and spot metering to find what works best for different scenes.

  4. Experiment with Auto ISO – Let the camera adjust ISO automatically to avoid over or underexposure.

  5. Use RAW and ETTR (Exposure to the Right) – For the best dynamic range, shoot in RAW and expose so the histogram is slightly to the right without clipping.

  6. Use Exposure Bracketing – Capture several shots at different exposures to ensure you’ve captured all the details.

  7. Check the Histogram – A histogram is a useful guide to make sure your exposure is balanced.


Exposure Metering Modes


Your camera’s metering modes can help you measure light based on different parts of the scene. Here’s a quick overview of the most common types:

  • Matrix (Evaluative) Metering: The camera evaluates light across the entire frame to find a balanced exposure.

  • Center-Weighted Metering: Focuses more on the center of the frame, good for portraits or centered subjects.

  • Spot Metering: Measures light from a small part of the scene (like a face or bright spot) and ignores the rest.



Face Priority AE Spot Metering


Some cameras offer Face Priority AE, which combines spot metering with face detection. This mode ensures that faces are correctly exposed, even in challenging light. It’s a great tool for portraits and group shots.


Auto ISO


Auto ISO is a helpful feature when shooting in changing light. It allows the camera to adjust the ISO automatically to maintain a balanced exposure, especially useful when using a fixed shutter speed and aperture.


Use RAW and ETTR (Exposure to the Right)


Shooting in RAW gives you more flexibility to adjust exposure in post-processing without losing detail. ETTR, or Exposure to the Right, is a technique where you expose your shot slightly brighter to capture more details in shadows. This works especially well in RAW, where details can be pulled back in post.


Tip: Shooting in JPG


If you’re shooting in JPG, aim for a balanced exposure straight out of the camera, as JPG files have less room for adjustment than RAW files.


Exposure Bracketing


Exposure bracketing involves taking multiple shots at different exposures. It’s helpful in tricky lighting to ensure you capture the right detail. You can later combine these exposures for HDR (High Dynamic Range) images.


Metering Modes and How They Affect Exposure


Experimenting with metering modes will give you more control over how your camera measures light. You may prefer spot metering for high-contrast scenes and matrix metering for well-lit, balanced scenes. Trying these modes can help you develop an intuitive sense of exposure

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How Do I Know My Images are Correctly Exposed?


One reliable way is to check your histogram after taking the shot. The histogram graph shows brightness levels, helping you ensure no major details are lost in highlights or shadows. If your histogram is evenly spread, your image is likely well-exposed.


Understanding the Histogram


The histogram is a graph that shows the distribution of tones in your image from black (left) to white (right). A well-exposed shot often has a balanced histogram without large spikes on either end, indicating no significant over- or underexposure.


Flag Colors


Some cameras use flag colors to indicate exposure issues. Red or blue flags, for instance, might alert you to blown highlights or deep shadows that need adjustment. These alerts are helpful for quick feedback in the field.


Final Thoughts


Getting exposure right may take practice, but once you understand the basics, it becomes second nature. Master these techniques and tools, and you’ll have a solid foundation for capturing perfectly exposed images, no matter the lighting conditions.


Always remember: avoid overexposure! You can recover details from shadows, but there’s no way to bring them back from overexposed areas.


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